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Author SHA1 Message Date
Dan Gohman
65e05b69d6 Minor code simplifications. Don't attempt LSR on theoretical 
targets with pointers larger than 64 bits, due to the code not
yet being APInt clean.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69296 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 16:49:48 +00:00
Dan Gohman
13317bc1e9 LSR is no longer a GEP optimizer. It is now an IV expression 
optimizer, which just happen to frequently involve optimizing GEPs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69295 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 16:46:01 +00:00
Dan Gohman
6524d3ab0e Fix SCEVExpander::visitSMaxExpr and SCEVExpander::visitUMaxExpr to 
not create ICmpInsts with operands of different types. This fixes
a regression in Applications/d/make_dparser.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69294 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 16:15:25 +00:00
Dan Gohman
f04fa483b8 Teach SCEVExpander::InsertCastOfTo to avoid creating inttoptr-of-ptrtoint 
and ptrtoint-of-inttoptr expressions. This fixes a regression in 300.twolf.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69293 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 15:52:57 +00:00
Dan Gohman
798d3923e0 Use ConstantExpr::getIntToPtr instead of SCEVExpander::InsertCastOfTo, 
since the operand is always a constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69291 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 15:48:38 +00:00
Dan Gohman
e616bf338a Use a SCEV expression cast instead of immediately inserting a 
new instruction with SCEVExpander::InsertCastOfTo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69290 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 15:47:35 +00:00
Devang Patel
906caf2ae4 Record line number at the beginning of a func.start. 
This line was accidently lost yesterday.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69286 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 15:07:09 +00:00
Rafael Espindola
7c36683fa3 fix PR3995. A scale must be 1, 2, 4 or 8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69284 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 12:34:53 +00:00
Chris Lattner
bfc0104c76 prove diagnostic -> group mapping information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69270 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 05:52:18 +00:00
Dan Gohman
2d1be87ee4 Expand GEPs in ScalarEvolution expressions. SCEV expressions can now 
have pointer types, though in contrast to C pointer types, SCEV
addition is never implicitly scaled. This not only eliminates the
need for special code like IndVars' EliminatePointerRecurrence
and LSR's own GEP expansion code, it also does a better job because
it lets the normal optimizations handle pointer expressions just
like integer expressions.

Also, since LLVM IR GEPs can't directly index into multi-dimensional
VLAs, moving the GEP analysis out of client code and into the SCEV
framework makes it easier for clients to handle multi-dimensional
VLAs the same way as other arrays.

Some existing regression tests show improved optimization.
test/CodeGen/ARM/2007-03-13-InstrSched.ll in particular improved to
the point where if-conversion started kicking in; I turned it off
for this test to preserve the intent of the test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69258 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 03:18:22 +00:00
Chris Lattner
9efac568f0 encode subgroups into the clang .inc file. -Wall now works! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69257 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 03:16:12 +00:00
Devang Patel
16f2ffd158 In -fast mode do what FastISel does. 
This code could use some refactoring help!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69254 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 02:33:41 +00:00
Devang Patel
390f3ace34 If FastISel is run and it has known DebugLoc then use it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69253 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 01:33:10 +00:00
Devang Patel
682e0e6a72 If location where the function was inlined is not know then do not emit debug info describing inlinied region. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69252 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 01:31:54 +00:00
Chris Lattner
d0d3494b2f start producing subgroup info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69249 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 00:53:25 +00:00
Dale Johannesen
764eccf025 Another testcase for IV shortening. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69247 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 00:45:21 +00:00
Dale Johannesen
c671d892ab Eliminate zext over (iv | const) or (signed iv), 
and sext over (iv | const), if a longer iv is
available.  Allow expressions to have more than
one zext/sext parent.  All from OpenSSL.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69241 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 23:31:51 +00:00
Chris Lattner
a0ed8ca233 make sure that empty diag groups get known by clang. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69235 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 22:33:02 +00:00
Chris Lattner
2f8c1d5fbc implement support for writing out diagnostic group tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69219 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:55:08 +00:00
Devang Patel
7d2f972f59 s/RootDbgScope/FunctionDbgScope/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69216 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:41:31 +00:00
Dale Johannesen
d3325d2897 Eliminate zext over (iv & const) or ((iv+const)&const) 
if a longer iv is available.  These subscript forms are
not common; they're a bottleneck in OpenSSL.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69215 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:41:02 +00:00
Chris Lattner
9371c33611 use UppercaseString instead of EmitAllCaps 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69213 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:16:12 +00:00
Chris Lattner
457cde4d45 use escape string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69212 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:13:18 +00:00
Chris Lattner
d7fd2126c2 teach EscapeString and UnescapeString to handle ". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69211 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:12:52 +00:00
Devang Patel
8818b8f443 Add DISubprogram is not null check. 
This fixes test/CodeGen//2009-01-21-invalid-debug-info.m test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69210 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:11:08 +00:00
Dan Gohman
c23e496879 Generalize one of the SelectionDAG::ReplaceAllUsesWith overloads 
to support replacing a node with another that has a superset of
the result types. Use this instead of calling
ReplaceAllUsesOfValueWith for each value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69209 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:06:30 +00:00
Chris Lattner
ac9e7da69c rename -gen-clang-diags-options -> -gen-clang-diag-groups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69208 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:02:32 +00:00
Chris Lattner
28fc9d898d move clang-specific makefile goop to clang makefile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69206 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 19:57:42 +00:00
Dan Gohman
df7dfc7715 Fix 80-column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69204 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 19:48:57 +00:00
Dan Gohman
25174963f6 Add a folding table entry for MOV8rr_NOREX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69203 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 19:48:28 +00:00
Devang Patel
c782ad055e Check isInlinedSubroutine() before creating DW_TAG_inlined_subroutine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69202 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 19:42:57 +00:00
Dan Gohman
9407cd4ede Fix MachineInstr::getNumExplicitOperands to count 
variadic operands correctly. Patch by Jakob Stoklund Olesen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69190 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 17:59:11 +00:00
Chris Lattner
a71c494cd8 don't infer diag class from parenting relations, make it an explicit field 
in the record.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69176 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 16:55:46 +00:00
Chris Lattner
5b66c04f33 include the default mapping in the clang diagnostic .inc files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69173 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 16:43:18 +00:00
Chris Lattner
f1624aa4dc minor cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69152 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 06:26:49 +00:00
Nick Lewycky
300e36503c Limit the number of times we're willing to chase pointers. Removes an O(n^2) 
problem from instcombine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69151 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 06:23:41 +00:00
Douglas Gregor
37a4d8dbbb Allow jumping to the end of a bitstream while reading 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69145 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 04:53:47 +00:00
Bill Wendling
dd9f523997 Check for alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69140 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 04:51:05 +00:00
Bill Wendling
801188066a More obsessive reformatting. Fixed some validation errors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69130 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 02:12:37 +00:00
Dan Gohman
61e08bd97f Don't use "protected:" in classes that aren't intended to be 
subclassed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69129 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 01:47:03 +00:00
Dan Gohman
7beace5d06 Fix doxygen comment syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69128 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 01:44:07 +00:00
Dan Gohman
6288b93f00 Fix X86MachineFunctionInfo's doxygen comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69127 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 01:20:18 +00:00
Dan Gohman
33f1c68cba Move MachineRegisterInfo::setRegClass out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69126 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 01:19:35 +00:00
Dan Gohman
593ea05957 Move MachineJumpTableInfo::ReplaceMBBInJumpTables out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69125 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 01:18:49 +00:00
Dan Gohman
3bc1a3735f Give RemoveRegOperandFromRegInfo a comment and move the 
code out of line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69124 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 01:17:37 +00:00
Dale Johannesen
dd1f9e4bf6 Enhance induction variable code to remove the 
sext around sext(shorter IV + constant), using a
longer IV instead, when it can figure out the
add can't overflow.  This comes up a lot in
subscripting; mainly affects 64 bit.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69123 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 01:10:12 +00:00
Evan Cheng
aa230a41dc Avoid making the transformation enabled by my last patch if the new destinations have phi nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69121 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 00:43:54 +00:00
Devang Patel
517576d6f9 While inlining, clone llvm.dbg.func.start intrinsic and adjust 
llvm.dbg.region.end instrinsic. This nested llvm.dbg.func.start/llvm.dbg.region.end pair now enables DW_TAG_inlined_subroutine support in code generator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69118 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 00:17:06 +00:00
Chris Lattner
d25bff6d52 silence a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69117 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 00:16:05 +00:00
Devang Patel
1be3eccecb Construct and emit DW_TAG_inlined_subroutine DIEs for inlined subroutine scopes (only in FastISel mode). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69116 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 00:10:26 +00:00